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<h2>Fuel economy data from 1999 and 2008 for 38 popular models of car</h2>

<h3>Description</h3>


<p>This dataset contains a subset of the fuel economy data
that the EPA makes available on
<a href="http://fueleconomy.gov">http://fueleconomy.gov</a>.  It contains only models
which had a new release every year between 1999 and 2008
- this was used as a proxy for the popularity of the car.
</p>


<h3>Format</h3>

<p>A data frame with 234 rows and 11 variables</p>


<h3>Details</h3>


 <ul>
<li><p> manufacturer.  </p>
</li>
<li><p> model.  </p>
</li>
<li><p> displ.
engine displacement, in litres </p>
</li>
<li><p> year.  </p>
</li>
<li><p> cyl.
number of cylinders </p>
</li>
<li><p> trans. type of transmission
</p>
</li>
<li><p> drv. f = front-wheel drive, r = rear wheel drive, 4
= 4wd </p>
</li>
<li><p> cty. city miles per gallon </p>
</li>
<li><p> hwy. highway
miles per gallon </p>
</li>
<li><p> fl.  </p>
</li>
<li><p> class. </p>
</li></ul>



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